内容简介: In this book for designers, developers, and product managers, expert developer and user interface designer Lukas Mathis explains. how to make usability the cornerstone of every point in your design process, walking you through the necessary steps to plan the design for an application or website, test it, and get usage data after the design is complete. He shows you how to focus your designprocess on the most important thing: helping people get things done, e...